coffee-factory/lib/coffee-factory.js

Javascript class Factory generator implemented in Coffeescript.

// Generated by CoffeeScript 2.0.0-beta7
void function () {
  var Factory;
  module.exports = Factory = function () {
    Factory.prototype.usable = [];
    Factory.prototype.args = [];
    function Factory(param$, param$1, args) {
      args = 3 <= arguments.length ? [].slice.call(arguments, 2) : [];
      this.klass = param$;
      if (null == param$1)
        param$1 = 0;
      this.maxReuse = param$1;
      if (typeof this.klass !== 'function')
        throw new TypeError('' + this.klass + ' is not instantiable with `new`');
      if (this.maxReuse < 0)
        this.maxReuse = 0;
      this.setConstructorArgs.apply(this, args);
    }
    Factory.prototype.setConstructorArgs = function (args) {
      args = 1 <= arguments.length ? [].slice.call(arguments, 0) : [];
      return this.args = [null].concat(args);
    };
    Factory.prototype.get = function () {
      var obj;
      if (this.usable.length > 0) {
        obj = this.usable.shift();
      } else {
        obj = new (this.klass.bind.apply(this.klass, this.args));
      }
      if (typeof this.klass.prototype.initialize === 'function')
        this.klass.prototype.initialize.apply(obj, arguments);
      return obj;
    };
    Factory.prototype.put = function (obj) {
      if (!(obj instanceof this.klass))
        throw new TypeError('Factory can only store an instance of type ' + this.klass);
      if (this.maxReuse > 0) {
        if (this.usable.length >= this.maxReuse)
          this.usable.shift();
        this.usable.push(obj);
      }
    };
    return Factory;
  }();
}.call(this);